<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>文章列表</title>
    <link rel="stylesheet" href="./libs/bootstrap/css/bootstrap.min.css">
    <link rel="stylesheet" href="./css/reset.css">
    <link rel="stylesheet" href="./css/iconfont.css">
    <link rel="stylesheet" href="./css/main.css">
    <script src="./libs/jquery-1.12.4.min.js"></script>
    <!-- 引入模板引擎js文件 -->
    <script src="./libs/template-web.js"></script>
    <script src="./libs/https.js"></script>
    <script src="./libs/jquery.twbsPagination.js"></script>
</head>

<body>
    <div class="container-fluid">
        <div class="common_title">
            文章列表
        </div>
        <div class="container-fluid common_con">
            <div class="row opt_btns">
                <div class="col-xs-6">
                    <form class="form-inline">
                        <select id="selCategory" name="" class="form-control input-sm">
                            <option value="">所有分类</option>
                            <option>未分类</option>
                            <option>奇趣事</option>
                            <option>会生活</option>
                            <option>爱旅行</option>
                        </select>
                        <select id="selStatus" name="" class="form-control input-sm">
                            <option value="">所有状态</option>
                            <option value="草稿">草稿</option>
                            <option value="已发布">已发布</option>
                        </select>
                        <button id="btnSearch" class="btn btn-default btn-sm">筛选</button>
                    </form>
                </div>
                <div class="col-xs-6">
                    <a href="article_release.html" class="btn btn-success btn-sm pull-right" id="release_btn">发表文章</a>
                </div>
            </div>
            <table class="table table-striped table-bordered table-hover mp20">
                <thead>
                    <tr>
                        <th>标题</th>
                        <th>作者</th>
                        <th>分类</th>
                        <th class="text-center">发表时间</th>
                        <th class="text-center">状态</th>
                        <th class="text-center" width="100">操作</th>
                    </tr>
                </thead>
                <tbody>
                    <tr>
                        <td>王积千造统最头</td>
                        <td>杰克</td>
                        <td>奇趣事</td>
                        <td class="text-center">2017-06-08 07:08:46</td>
                        <td class="text-center">已发布</td>
                        <td class="text-center">
                            <a href="article_edit.html" class="btn btn-default btn-xs">编辑</a>
                            <a href="javascript:void(0);" class="btn btn-danger btn-xs delete">删除</a>
                        </td>
                    </tr>
                </tbody>
            </table>
            <div class="row text-center">
                <ul id="pagination-demo" class="pagination-sm"></ul>
            </div>
        </div>
    </div>
</body>

</html>
<script>
    $(function () {
        //类别加载
        $.ajax(
            {
                type: 'get',
                url: BigNew.category_list,
                success: function (res) {
                    let htmlStr = '<option value="">所有分类</option>'
                    $.each(res.data, function (index, ele) {
                        htmlStr += ` <option value='${ele.id}'>${ele.name}</option>`
                    })
                    $('#selCategory').html(htmlStr)
                }
            }
        )

        //页面内容加载
        let selPage = 1
        function loadData(page) {
            selPage = page
            $.ajax(
                {
                    type: 'get',
                    url: BigNew.article_query,
                    data: {
                        //请求文章的类型
                        type: $('#selCategory').val(),
                        //请求文章的状态
                        state: $('#selStatus').val(),
                        //请求某一页的数据
                        page: page,
                        //每页多少条数据
                        perpage: 5
                    },
                    success: function (res) {
                        if (res.code == 200) {
                            if(res.data.totalCount > 0) {
                                let htmlStr = ''
                            $.each(res.data.data, function (index, ele) {
                                htmlStr += `
                                <tr>
                        <td>${ele.title}</td>
                        <td>${ele.author}</td>
                        <td>${ele.category}</td>
                        <td class="text-center">${ele.date}</td>
                        <td class="text-center">${ele.state}</td>
                        <td class="text-center">
                            <a  data-id='${ele.id}' href="article_edit.html?id=${ele.id}" class="btn btn-default btn-xs">编辑</a>
                            <a  data-id='${ele.id}' href="javascript:void(0);" class="btn btn-danger btn-xs delete">删除</a>
                        </td>
                    </tr>
                                `
                            })
                            $('tbody').html(htmlStr)

                            //分页内容
                            $('#pagination-demo').twbsPagination('destroy')
                            $('#pagination-demo').twbsPagination({
                                totalPages: res.data.totalPage,
                                visiblePages: 7,
                                initiateStartPageClick: false,
                                startPage: page,
                                first: '首页',
                                prev: '上一页',
                                next: '下一页',
                                last: '尾页',
                                onPageClick: function (event, page) {
                                   loadData(page)
                                   
                                }
                            })
                            }else{
                                //当前请求没有任何的文章数据
                                //清空表格内容，再显示文本提示
                                $('tbody').empty()
                                $('#pagination-demo').text('当前类别没有任何文章......')
                            }
                        }
                    }
                }
            )
        }
        loadData(1)
        $('#btnSearch').on('click',function(e){
            e.preventDefault()
            loadData(1)
        })
        //设置删除按钮点击事件
        $('tbody').on('click','.delete',function(){
            //获得当前文章的ID值
            let dataid = $(this).attr('data-id')
            $.ajax(
                {
                    type:'post',
                    url:BigNew.article_delete,
                    data: {
                        id:dataid
                    },
                    success: function (res) {
                        if(res.code == 204){
                           //删除成功之后重新加载数据
                           //判断是否为最后一页的最后一条数据被删除
                           //判断当前的表格tr的长度大于1
                           if($('tbody tr').length > 1 ){
                            loadData(selPage)
                           }else {
                            loadData(selPage - 1)
                           }
                        }
                    }
                }
            )
        })
    })
</script>